On 2026-03-25 at 14:10:47+01:00, Morten Bo Johansen wrote: > On 2026-03-25 Nguyễn Gia Phong wrote: > > I want to be able to typeset the maps to symbol in arrow notation, > > e.g. n ↦ n + 1. The Unicode code point for the character is U+21A6. > > > > Please let me know what I can do to make it happen. > > This glyph is not included in the stock groff font files, so [...] > you must convert and install [some font file], to a groff > font file. There is a script, install-font.sh [...]. > Take note of the name of the groff version of the > font file.
Thanks, though I only use eqn for MathML, so the font is not within my concern. On 2026-03-25 at 14:10:47+01:00, Morten Bo Johansen wrote: > Let's say the name is LinBiolinumRGR. Then the notation > > \f[LinBiolinumRGR]\[u21A6]\f[] > > will make the glyph appear in your document. [...] On the other hand, \[uNNNN] does not work for MathML output. I've revised my yesterday eqn patch to handle this case.
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